Home / 8,518.75-12,778.24-2,675.36

Finding the Fourth Proportional to 8,518.75, 12,778.24 and 2,675.36

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Solution

The fourth proportional to 8,518.75, 12,778.24 and 2,675.36 is: 4,013.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,518.75 : 12,778.24 = 2,675.36 : x
  2. Step 2: Convert to fraction form
    8,518.75/12,778.24 = 2,675.36/x
  3. Step 3: Cross multiply
    8,518.75x = 12,778.24 × 2,675.36
  4. Step 4: Simplify right side
    8,518.75x = 34,186,392.17
  5. Step 5: Solve for x
    x = 34,186,392.17/8,518.75
  6. Step 6: Final answer
    x = 4,013.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.